Method for removal of metal atoms and explosives from...

Details Method for removal of metal atoms and explosives from... Method for removal of metal atoms and explosives from...

C - Chemistry, Metallurgy

06

B

C06B 21/00 (2006.01) C02F 1/28 (2006.01) C02F 3/12 (2006.01) C02F 3/32 (2006.01) C22B 3/18 (2006.01)

Patent

CA 2043396

METHOD FOR REMOVAL OF METAL ATOMS AND EXPLOSIVES FROM AQUEOUS SOLUTION USING SUSPENDED PLANT CELLS ABSTRACT OF THE DISCLOSURE The use of plant suspension cultures to remove ionic metallic species and TNT-based explosives and their oxidation products from aqueous solution is described. Several plant strains were investigated including D. innoxia, Citrus citrus, and Black Mexican Sweet Corn. All showed significant ability to remove metal ions. Ions removed to sub-ppm levels include barium, iron, and plutonium. D. innoxia cells growing in media containing weapons effluent contaminated with Ba2+ also remove TNT, other explosives and oxidation products thereof from solution. The use of dead, dehydrated cells were also found to be of use in treating waste directly.

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